Housing for an adapter unit



FIG. 1 is a perspective view of a housing for an adapter unit showing my new design;

FIG. 2 is a top view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a right side view thereof; and,

FIG. 6 is a left side view thereof.

The unshown bottom of the housing forms no part of the claimed design. The broken line showing of a connection in FIGS. 1 and 3 and an extending cable in FIGS. 1, 2, 4, 5, and 6 is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a housing for an adapter unit, as shown and described. 